for "cbs this morning," david martin, the pentagon. >>> new information this morning highlights the link between senator robert menendez and one of his top campaign donors. we showed you last week how the new jersey democrat recently paid more than $50,000 for trips he took on a private jet owned by dr. solomon mel get. "the washington post" is now reporting that menendez asked federal officials twice, raising concerns about a medicare audit of dr. melgin. he's reordering him to pay over $9 million in medicare. >>> breaking news this morning. three southern california officers have been shot. police in riverside, california, has just confirmed one of the suspects is dead. the suspect used to be one of their own. he's already linked to a double murder. security has been beefed up for high-ranking officials at lapd. bill witd ter shows us why the suspect may have given clues he was about to commit a killing spree. >> his current whereabouts are unknown as we're asking for the public's health. >> reporter: christopher lawrence the corner. he's still on the loose and they're searching for hi